Home / 69,760.50-96,272.76-39,136.56

Finding the Fourth Proportional to 69,760.50, 96,272.76 and 39,136.56

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Solution

The fourth proportional to 69,760.50, 96,272.76 and 39,136.56 is: 54,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,760.50 : 96,272.76 = 39,136.56 : x
  2. Step 2: Convert to fraction form
    69,760.50/96,272.76 = 39,136.56/x
  3. Step 3: Cross multiply
    69,760.50x = 96,272.76 × 39,136.56
  4. Step 4: Simplify right side
    69,760.50x = 3,767,784,648.11
  5. Step 5: Solve for x
    x = 3,767,784,648.11/69,760.50
  6. Step 6: Final answer
    x = 54,010.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.